Home / 3,581.64-4,943.40-2,165.04

Finding the Fourth Proportional to 3,581.64, 4,943.40 and 2,165.04

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Solution

The fourth proportional to 3,581.64, 4,943.40 and 2,165.04 is: 2,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.64 : 4,943.40 = 2,165.04 : x
  2. Step 2: Convert to fraction form
    3,581.64/4,943.40 = 2,165.04/x
  3. Step 3: Cross multiply
    3,581.64x = 4,943.40 × 2,165.04
  4. Step 4: Simplify right side
    3,581.64x = 10,702,658.74
  5. Step 5: Solve for x
    x = 10,702,658.74/3,581.64
  6. Step 6: Final answer
    x = 2,988.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.